ABB relay protection device models

PINO OPTICS delivers premium fiber optic cables, adapters, distribution boxes, PLC splitters, QSFP transceivers, industrial switches and power systems for FTTH, PON, campus and carrier networks.

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May 01, 2026

Transformer protection and control RET615 IEC

RET615 is a dedicated transformer protection and control relay for protection, control, measurement and supervision of power transformers, unit and step-up transformers, including power generator

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Dec 26, 2025

PROTECTION AND CONTROL REX640

All-in-one protection for advanced power generation and distribution applications REX640 is a powerful and freely configurable all-in-one protection and control relay for advanced power generation and

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Aug 19, 2025

PRODUCT GUIDE RED615 Line differential protection and control

1. Description RED615 is a phase-segregated two-end line differential protection and control relay designed for utility and industrial power systems, including radial, looped and meshed distribution

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May 16, 2026

Protection relay selection table

Protection relay selection table Please note before using selection table! number = Number of stages, shots, X = Function supported inputs or outputs O = Function available as option

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Feb 13, 2026

Protection and control REX610

REX610 is a member of the renowned Relion® protection and control family of relays, building on ABB''s strong heritage of freely configurable multifunctional relays and many proven protection algorithms.

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Nov 26, 2025

Relays-Online

Try out our simple step-by-step selection tool to find the right relay type for your needs.

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Jan 12, 2026

relays.protection-control.abb

ABB Relays-Online makes finding, selecting, ordering, and tracking of your next digital substation product order quick and easy. The modular e-business platform

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Sep 23, 2025

Product Guide REU615 Voltage Protection and Control

1. Description The voltage protection and control relay REU615 is available in two standard configurations, denoted A and B. Configuration A is preadapted for voltage and frequency-based

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Jan 26, 2026

Electronic relays and controls catalog 2020

Chapter 2 - Measuring and monitoring relays Choose among a large range of products to ensure reliable protection, save cost and avoid unplanned downtime

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Mar 08, 2026

Relays-Online

ABB Relays-Online makes finding, selecting, ordering, and tracking of your next digital substation product order quick and easy. The modular e-business platform

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Jan 14, 2026

Digital Protection Relays | ABB Electrification U.S.

Digital Protection Relays Electromechanical Relays For new applications where reliable operation is essential, in harsh environments, or in existing installations where an exact replacement is required

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Jul 14, 2025

Electromechanical relays

ABB electromechanical relays have protected the power system for more than 100 years, and with the proper inspection, maintenance, and testing techniques,

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Aug 04, 2025

Product Guide REU611 Voltage Protection and Control

1. Description REU611 is a voltage protection relay preconfigured for voltage and frequency-based protection in utility substations and industrial power systems. The relay is used for a wide variety of

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Feb 24, 2026

Relion REX640 | ABB

Relion REX640 is a powerful, freely configurable all-in-one protection and control relay for primary distribution. The fully modular hardware and software allows for

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May 10, 2026

ABB Protection Relay Catalogue | PDF | Relay

The document lists over 200 models of relays from manufacturer ABB along with a

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Jul 03, 2025

Measuring and monitoring relays

ABB relays are designed to detect overloads, temperature, liquid and other potentially damaging fluctuations. Choose from a large range of products that provide reliable protection, cost savings and

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Dec 26, 2025

Electronic relays and controls | Products | ABB

ABB has the industry''s most comprehensive range of electronic timers, measuring and monitoring relays, interface relays and power supplies – helping customers source all their critical components

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Oct 08, 2025

ABB TF42-24 Thermal Overload Relay, 20-24A, 3 Poles, Trip Class 10

Protect Your Motors: Reliable ABB Thermal Overload RelayThe ABB TF42-24 is an electromechanical overload relay designed to protect your motors from overload and phase failure. It features a wide

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Dec 07, 2025

Feeder protection and control REF615 IEC

REF615 is a dedicated feeder IED aligned for the protection, control, measurement and supervision of utility and industrial power distribution systems.

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Apr 30, 2026

Voltage protection and control

Voltage protection is the most basic protection in a power grid. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, whilst leaving

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Jun 18, 2026

Protection relays — ABB Group

Learn about ABB''s protection relays: ensuring safety and reliability in power systems.

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Jan 16, 2026

Surge Protective Devices | Products | ABB

Surge Protective Devices are designed to protect against transient surge conditions. Large single surge events, such as lightning, can reach hundreds of thousands of

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Jan 31, 2026

Primary Protection Relays | ABB

ABB''s Relion family of protection and control relays for primary distribution offers a wide range of products for protection, control, measurement and supervision of power distribution systems for IEC

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